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Mathieu Jaspar
University of Liège
Developmental psychologyPsychologyCognitive psychologySleep deprivationNeuroscience of sleep
53Publications
9H-index
288Citations
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Publications 53
Newest
#1Vincenzo Muto (University of Liège)H-Index: 11
#2Ekaterina Koshmanova (University of Liège)
Last. Marie BrandewinderH-Index: 2
view all 28 authors...
A bidirectional detrimental relationship between sleep alteration and Alzheimer9s disease (AD) has been reported in cognitively normal older adults. Here, we tested whether a similar association could be detected in young adults, decades before typical AD symptom onset. We investigated associations between sleep endophenotypes and genome-wide Polygenic Risk Scores (PRS) for AD in 363 young men (22.1 +/- 2.7y) devoid of sleep and cognitive disorders. AD PRS was associated with higher slow wave en...
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#2Vincenzo Muto (University of Liège)H-Index: 11
Last. Christophe Phillips (University of Liège)H-Index: 54
view all 18 authors...
Sleep studies face new challenges in terms of data, objectives and metrics. This requires reappraising the adequacy of existing analysis methods, including scoring methods. Visual and automatic sleep scoring of healthy individuals were compared in terms of reliability (i.e., accuracy and stability) to find a scoring method capable of giving access to the actual data variability without adding exogenous variability. A first dataset (DS1, four recordings) scored by six experts plus an autoscoring ...
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#1Pierre Berastegui (University of Liège)H-Index: 2
#2Mathieu Jaspar (University of Liège)H-Index: 9
Last. Anne-Sophie Nyssen (University of Liège)H-Index: 13
view all 4 authors...
Abstract Emergency physicians are known to be particularly vulnerable to sleep deprivation due to inconsistent shift rotation, extended duty periods and overnight calls. However, naturalistic studies have actually failed to systematically demonstrate that sleep deprivation is associated with poorer work performance in emergency physicians. The inconsistency of these results could reside in physicians’ ability to compensate for fatigue-related impairments. Our aim is to assess the effectiveness o...
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#1Pierre Berastegui (University of Liège)H-Index: 2
#2Mathieu Jaspar (University of Liège)H-Index: 9
Last. Anne-Sophie Nyssen (University of Liège)H-Index: 13
view all 4 authors...
Abstract There is a growing body of studies indicating that extended shift duration has an adverse effect on fatigue, consequently leading to reduced work performance and higher risk of accident. Following modern fatigue risk management systems (FRMS), acceptable performance could be maintained by the mobilization of appropriate mitigation strategies. However, the effective deployment of such strategies assume that workers are able to assess their own level of fatigue-related impairments. In thi...
1 CitationsSource
#1Giulia Gaggioni (University of Liège)H-Index: 6
#2Julien Q. M. Ly (University of Liège)H-Index: 4
Last. Gilles Vandewalle (University of Liège)H-Index: 38
view all 19 authors...
Abstract Cortical excitability depends on sleep-wake regulation, is central to cognition, and has been implicated in age-related cognitive decline. The dynamics of cortical excitability during prolonged wakefulness in aging are unknown, however. Here, we repeatedly probed cortical excitability of the frontal cortex using transcranial magnetic stimulation and electroencephalography in 13 young and 12 older healthy participants during sleep deprivation. Although overall cortical excitability did n...
1 CitationsSource
#1Vincenzo Muto (University of Liège)H-Index: 11
Last. Pierre Maquet (University of Liège)H-Index: 80
view all 17 authors...
Abstract Study Objectives New challenges in sleep science require to describe fine grain phenomena or to deal with large datasets. Beside the human resource challenge of scoring huge datasets, the inter- and intra-expert variability may also reduce the sensitivity of such studies. Searching for a way to disentangle the variability induced by the scoring method from the actual variability in the data, visual and automatic sleep scorings of healthy individuals were examined. Methods A first datase...
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#1Grégory Hammad (University of Liège)
#2Vincenzo Muto (University of Liège)H-Index: 11
Last. Dorothe Coppieters't Wallant (University of Liège)H-Index: 1
view all 9 authors...
#1Pouya Ghaemmaghami (University of Liège)H-Index: 1
#2Vincenzo Muto (University of Liège)H-Index: 11
Last. Gilles Vandewalle (University of Liège)H-Index: 38
view all 22 authors...
#1Pouya Ghaemmaghami Tabrizi (University of Liège)
#2Vincenzo Muto (University of Liège)H-Index: 11
Last. Gilles Vandewalle (University of Liège)H-Index: 38
view all 18 authors...
#1Pouya Ghaemmaghami Tabrizi (University of Liège)
#2Vincenzo Muto (University of Liège)H-Index: 11
Last. Gilles Vandewalle (University of Liège)H-Index: 38
view all 20 authors...
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